This is Hard-to-find, Original Used, Mopar Dodge Plymouth B or E-body Small Block 340 HP Engine 4 Barrel Carburetor Throttle Pressure Control Passing Gear Kick Down Linkage Set Up for a 727 Automatic Transmission. This is correct set up for a B or E-body, not C-body or Truck. Technically correct for 1972 and 1973 Barracuda, Cuda, Challenger, Rallye, or 1972, 1973 Road Runner, or Charger, but can be used as an assembly on other year B & E-body, as wellThis set of linkage is only correct when using factory components, including 4bbl carb/intake and exhaust manifolds...If you are using after market carb/intake and/or headers, you may have to do modifications. Please look at all my photos, as they are part of my description.